<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="7">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList()"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
    </el-card>
    <!-- 用户列表(表格)区域 -->
    <el-table :data="userList" border stripe>
      <el-table-column type="index" label="索引"></el-table-column>
      <el-table-column label="用户id" prop="id"></el-table-column>
      <el-table-column label="电话" prop="phone"></el-table-column>
      <el-table-column label="密码" prop="password"></el-table-column>
      <el-table-column label="昵称" prop="username"></el-table-column>
      <el-table-column label="所在学校" prop="school"></el-table-column>
      <el-table-column label="操作" width="180px">
        <template slot-scope="scope">
          <!-- 修改 -->
          <el-tooltip
            class="item"
            effect="dark"
            content="修改"
            placement="top"
            :enterable="false"
          >
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
          </el-tooltip>
          <!-- 删除 -->
          <el-tooltip
            class="item"
            effect="dark"
            content="删除"
            placement="top"
            :enterable="false"
          >
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
          </el-tooltip>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页导航区域
            @size-change(pagesize改变时触发)
            @current-change(页码发生改变时触发)
            :current-page(设置当前页码)
            :page-size(设置每页的数据条数)
            :total(设置总页数) -->
    <!-- <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
    >
    </el-pagination> -->

    <!-- 添加用户对话框区域 -->
    <!-- 对话框组件  :visible.sync(设置是否显示对话框) width(设置对话框的宽度) :before-close(在对话框关闭前触发的事件) -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClose"
    >
      <!-- 对话框主体区域 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="手机号" prop="phone">
          <el-input v-model="addForm.phone"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="昵称" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="学校" prop="school">
          <el-input v-model="addForm.school"></el-input>
        </el-form-item>
      </el-form>
      <!-- 对话框底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户对话框区域 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClose"
    >
      <!-- 对话框主题区域 -->
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="手机号">
          <el-input v-model="editForm.phone" disabled></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="editForm.password"></el-input>
        </el-form-item>
        <el-form-item label="昵称" prop="username">
          <el-input v-model="editForm.username"></el-input>
        </el-form-item>
        <el-form-item label="学校" prop="school">
          <el-input v-model="editForm.school"></el-input>
        </el-form-item>
      </el-form>
      <!-- 对话框底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    // 验证手机号码的规则
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^1[34578]\d{9}$/
      if (regMobile.test(value)) {
        return cb()
      }
      // 返回一个错误提示
      cb(new Error('请输入合法的手机号码'))
    }
    return {
      // 搜索框绑定数据
      queryInfo: {
        query: '',
        pagenum: 1, // 当前的页数
        pagesize: 6 // 当前每页显示多少条数据
      },
      // 总页数
      total: 3,
      // 用户信息
      userList: [],
      // 添加用户对话框控制
      addDialogVisible: false,
      // 添加用户表单
      addForm: {
        phone: '',
        password: '',
        username: '',
        school: ''
      },
      // 添加用户表单验证规则
      addFormRules: {
        phone: [
          { required: true, message: '请输入手机号码', trigger: 'blur' },
          {
            validator: checkMobile,
            message: '手机号码不正确，请重新输入',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '密码在6~15个字符之间',
            trigger: 'blur'
          }
        ],
        username: [
          { required: true, message: '请输入用户名称', trigger: 'blur' },
          {
            min: 2,
            max: 10,
            message: '用户名在2~10个字符之间',
            trigger: 'blur'
          }
        ],
        school: [
          { required: true, message: '请输入所在学校', trigger: 'blur' },
          {
            min: 4,
            max: 20,
            message: '用户名在4~20个字符之间',
            trigger: 'blur'
          }
        ]
      },
      // 修改用户对话框控制
      editDialogVisible: false,
      // 修改用户表单
      editForm: {},
      editFormRules: {
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '密码在6~15个字符之间',
            trigger: 'blur'
          }
        ],
        username: [
          { required: true, message: '请输入用户名称', trigger: 'blur' },
          {
            min: 2,
            max: 10,
            message: '用户名在2~10个字符之间',
            trigger: 'blur'
          }
        ],
        school: [
          { required: true, message: '请输入所在学校', trigger: 'blur' },
          {
            min: 4,
            max: 20,
            message: '用户名在4~20个字符之间',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    // 获取用户列表
    async getUserList() {
      const { data: res } = await this.$http.get('user/getUser', {
        params: this.queryInfo
      })
      if (res.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      console.log(res.data)
      this.userList = res.data
    },
    // 修改用户信息
    async showEditDialog(id) {
      // console.log(id)
      this.editDialogVisible = true
      const { data: res } = await this.$http.get('user/getUserById/' + id)
      if (res.status !== 200) return this.$message.error('获取用户信息失败')
      this.editForm = res.data
      console.log(this.editForm)
    },

    // 删除用户信息
    async removeUserById(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)

      // 如果用户点击确认，则confirmResult 为'confirm'
      // 如果用户点击取消, 则confirmResult获取的就是catch的错误消息'cancel'
      if (confirmResult !== 'confirm') return this.$message.info('已取消删除')
      // 发送请求根据id完成删除操作
      const { data: res } = await this.$http.post('user/deleteUser', { id: id })
      // 判断如果删除失败，就做提示
      if (res.status !== 200) return this.$message.error('删除用户失败')
      // 修改成功的提示
      this.$message.success('删除用户成功')
      // 重新请求最新的数据
      this.getUserList()
    },
    // 页数改变
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
    },
    // 页码改变
    handleCurrentChange(current) {
      this.queryInfo.pagenum = current
    },
    // 添加用户对话框关闭
    addDialogClose() {
      this.$refs.addFormRef.resetFields()
    },
    // 添加用户确定
    addUser() {
      // 点击确定按钮，添加新用户
      // 调用validate进行表单验证
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return this.$message.error('请填写完整用户信息')
        // 发送请求完成添加用户的操作
        const { data: res } = await this.$http.post(
          'user/addUser',
          this.addForm
        )
        // 判断如果添加失败，就做提示
        if (res.status !== 200) {
          return this.$message.error('添加用户失败')
        }
        // 添加成功的提示
        this.$message.success('添加用户成功')
        // 关闭对话框
        this.addDialogVisible = false
        // 重新请求最新的数据
        this.getUserList()
      })
    },
    // 修改用户对话框关闭
    editDialogClose() {
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户确定
    editUser() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return this.$message.error('请填写完整用户信息')
        // 发送请求完成修改用户的操作
        const { data: res } = await this.$http.put(
          'user/editUser/' + this.editForm.id,
          this.editForm
        )
        // 判断如果修改失败，就做提示
        if (res.status !== 200) return this.$message.error('修改失败')
        // 修改成功的提示
        this.$message.success('修改成功')
        // 关闭对话框
        this.editDialogVisible = false
        // 重新请求最新的数据
        this.getUserList()
      })
    }
  }
}
</script>

<style></style>
